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CSCI100
QUIZ1
Question | Answer |
---|---|
What is a QR code? | Hold more information than the regular "bar" code. Mostly used for smartphones. Scannable codes to receive promos. |
What is a UPC code? | Barcode. Most commonly found on products. |
What is a database used for? | Used to store information |
How does UPS sort their packages? | By sorting on conveyor belts, by weight, scan them and put smart labels on them and keep all information in a database |
What is a hard drive? | Used for storing and retrieving digital information, primarily computer data. |
What is a CPU? | Central Processing Unit: Carries out the instructions of a computer program, to perform the basic arithmetical, logical and input/output operations of the system. |
What is a RAM? | Random-Access Memory: Integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time. |
What is a CD Drive? | Uses laser light or electromagnetic waves near the light spectrum as a part of the process of reading or writing data to/from discs. |
What does the graphics card do? | Generates output images to a display. |
What is the purpose of the Motherboard? | Central printed circuit board and holds all the crucial components of a system. |